具有自旋轨道相互作用的自旋 1/2带电粒子二维系统中自旋极化量子振荡的坍缩与复苏。

IF 2.2 3区物理与天体物理 Q2 PHYSICS, FLUIDS & PLASMAS

Physical Review E Pub Date : 2024-10-01 DOI:10.1103/PhysRevE.110.044117

N S Maslova, V N Mantsevich, I M Sokolov, P I Arseyev

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引用次数: 0

摘要

我们分析了垂直磁场中具有自旋轨道相互作用的自旋 1/2带电粒子二维系统在外部噪声作用下的自旋极化动力学。结果表明，自旋极化显示了量子振荡、坍缩和复苏。确定并分析了与量子振荡、坍缩和复苏相对应的时间尺度层次。研究表明，外部磁场和噪声强度的变化会导致自旋波动谱发生显著变化，从三重结构转变为解析度较高的精细结构。

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Collapses and revivals of spin polarization quantum oscillations in two-dimensional systems of spin 1/2 charged particles with spin-orbit interaction.

We analyzed spin polarization dynamics in a two-dimensional system of spin 1/2 charged particles with spin-orbit interaction in perpendicular magnetic field in the presence of external noise. It was shown that spin polarization reveals quantum oscillations, collapses, and revivals. The hierarchy of time scales corresponding to quantum oscillations, collapses, and revivals was identified and analyzed. It was demonstrated that variation of external magnetic field and noise intensity results in the significant changing of spin fluctuations spectra, which modifies from the triplet structure to the well resolved fine structure.

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来源期刊

Physical Review E PHYSICS, FLUIDS & PLASMASPHYSICS, MATHEMAT-PHYSICS, MATHEMATICAL

CiteScore

4.50

自引率

16.70%

发文量

2110

期刊介绍： Physical Review E (PRE), broad and interdisciplinary in scope, focuses on collective phenomena of many-body systems, with statistical physics and nonlinear dynamics as the central themes of the journal. Physical Review E publishes recent developments in biological and soft matter physics including granular materials, colloids, complex fluids, liquid crystals, and polymers. The journal covers fluid dynamics and plasma physics and includes sections on computational and interdisciplinary physics, for example, complex networks.